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CV0-003 · Question #321

A company hosts its server in a public IaaS cloud. The company's management decides to migrate the servers to a different geographical region that is closer to the user base. A cloud administrator…

The correct answer is D. 1. Create a new VM in the new region. Creating a new VM directly in the target region is the best first step for cross-region IaaS migration because it ensures the instance is natively provisioned with that region's infrastructure, avoiding image compatibility and transfer issues.

Operations

Question

A company hosts its server in a public IaaS cloud. The company's management decides to migrate the servers to a different geographical region that is closer to the user base. A cloud administrator creates a new environment in that geographical region. Which of the following is the BEST way to migrate the VM from the original geographic region to the new region?

Options

  • A
    1. Create a full backup of the VM.
  • B
    1. Create a VM image.
  • C
    1. Create a VM clone.
  • D
    1. Create a new VM in the new region.

How the community answered

(13 responses)
  • B
    8% (1)
  • C
    15% (2)
  • D
    77% (10)

Why each option

Creating a new VM directly in the target region is the best first step for cross-region IaaS migration because it ensures the instance is natively provisioned with that region's infrastructure, avoiding image compatibility and transfer issues.

A1. Create a full backup of the VM.

A full backup is a disaster recovery tool rather than a migration tool - restoring it in a different region risks OS driver mismatches and hardware abstraction layer incompatibilities with the new infrastructure.

B1. Create a VM image.

A VM image is often tied to the source region's hypervisor platform and network configuration, making direct deployment in a different region unreliable without additional conversion or validation steps.

C1. Create a VM clone.

VM cloning is typically limited to the same cluster or local data center and is not a supported cross-region operation in most IaaS platforms.

D1. Create a new VM in the new region.Correct

Creating a new VM in the destination region establishes a clean, region-native deployment that avoids the pitfalls of transferring large image or backup files across geographic boundaries, which can cause format incompatibilities or excessive transfer times. The new VM is immediately compatible with the target region's networking, storage, and hypervisor configuration, and data can then be migrated independently using efficient transfer mechanisms. This approach also allows the administrator to optimize the VM configuration for the new region rather than inheriting stale or region-specific settings from the source.

Concept tested: Cross-region VM migration strategy in IaaS cloud

Source: https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-tutorial-migrate

Topics

#VM migration#geographic region#VM image#IaaS

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